Science topic

Logistics - Science topic

Logistics is the management of the flow of resources, between the point of origin and the point of destination in order to meet the requirements of customers or corporations.
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I have two curves, the first one is a growth curve of a microorganisms reported as cells/mL, whereas the second one is the concentration (as % of the initial concentration) of a specific compound.
I'm trying to understand if there is any correlation between the 2 curves (hence I want to know if the reduction of the compound is depended on the microorganisms growth) but I'm not sure which solution is the best. I tried Pearson correlation but I'm not sure it's the best method since the curves are not linear but they have both a logistic type curve.
I've attached an excel file where I reported an example of the data.
Thanks for your help
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1st : Please see the Excel attachment for 7 steps for doing the cubic plot.
2nd : About t- and F- distribution statistics and p-values that come from Excel Regression Analysis (which you "... couldn't find the functions to obtain those data on my excel ..."):
google-search for
"Why is Data Analysis not showing in Excel?"
... as soon as you add-it-in ... "the Data Analysis ToolPak"
then look for / google
"excel data analysis toolpak regression"
Good Luck
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Will drones evolve as a parcel delivery model or as objects of intelligent logistics networks meaning that they will deliver to distribution centers not to final users?
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May be helpful for your work:
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Respected Researchers and Academics,
I am recently working on a research proposal entitled "𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐜 𝐈𝐝𝐞𝐧𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 (𝐀𝐈𝐒) 𝐃𝐚𝐭𝐚 𝐟𝐨𝐫 𝐈𝐦𝐩𝐫𝐨𝐯𝐞𝐝 𝐌𝐚𝐫𝐢𝐭𝐢𝐦𝐞 𝐓𝐫𝐚𝐧𝐬𝐩𝐨𝐫𝐭 𝐚𝐧𝐝 𝐋𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬 𝐃𝐞𝐜𝐢𝐬𝐢𝐨𝐧" in which I plan to apply different econometrics and operations research tools to model the AIS-driven big data for efficient maritime transport and logistics decision.
The Automatic Identification Systems (AIS) provides high frequency, real-time positioning and sailing patterns for almost the whole world’s commercial fleet of international voyages with a gross tonnage above 300 and all passenger ships equipped with an AIS transmitter. The information in the AIS message includes vessel identity (IMO No., MMSI, vessel name, and type), physical appearance (length overall, beam), voyage related information (draught, destination, estimated time of arrival), and dynamic data (speed, course, rate of turn, etc.). Currently, the stated information from AIS can be found in different AIS-related commercial databases (For instance; Marine Traffic, Spire, AXS Marine, exactEarth, Signal Ocean).
AIS data in predicting maritime traffic and waterway patterns, caution area traffic prediction, vessel trajectory prediction, naval sensors, etc. have been widely used in many studies which are mainly in 𝐎𝐜𝐞𝐚𝐧 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 nature. However, I am mostly interested to explore the 𝐌𝐚𝐫𝐢𝐭𝐢𝐦𝐞 𝐓𝐫𝐚𝐧𝐬𝐩𝐨𝐫𝐭 𝐚𝐧𝐝 𝐋𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬 aspects based on AIS data.
I will be grateful if you kindly help me in identifying probable research gaps considering the aforesaid discussion.
Best Regards
Mojahid
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Regionally, the importance of ship calls/deviations that are not on the main route in the economy of local ports can be explained. For example, deviations made by a ship going from China to Germany outside its main route can be sorted out with AIS and the added value it provides to the mooring areas can be demonstrated.
Of course, this is a computable process with secondary data as well. However, a relationship should be established between the number of AIS deviations and development.
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I have thought to cover the challenges faced by various functions in managing the supply chain - Procurement, Quality Assurance, Technical, Logistics , Planning and Regulatory
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I have an article on how JLR utilised digital training to upskill staff during the pandemic. You could use this for your literature review i.e. looking at how other manufacturing businesses have utilised digital technology during the pandemic to come up with solutions to challenges thrown at us due to the pandemic.
Not specifically related to suppliers but maybe of some use.
Best Regards
Martin
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Dear talented researchers,
I want to calculate three solar irradiance components (DNI, DHI, & GHI) from these equations which contain logistics, maximum and minimum, Less than, Greater or equal, terms.
How can I use these equations please? I don not know how to use equations 12 & 13 because they have terms such as max, min.
I am not sure, but it seems to be a Logistic map.
1- just for example, how to solve this part from equation 12?
min (1:88 * 10^-8 CO^4, SOLZEN < 77)
2-how to deal with these mathematical operation such as greater than, less than 77, equal or greater than inside these equations?
Thank you very much for your kind response.
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Dear Zhwan
I have been thinking in your problem and I b elieve that the logistic part that bothers you could have the following explanation:
Logistics refers to a curve normally known as a sigmoid (very similar to the letter S,) but with right horizontal lines at both extremes, instead fo the curls, and very used in many disciplines, most especially in Artificial Intelligence, and normally varies between -x and x. It is defined as tanh and equal to the ratio between sinh and cosh.
In my opinion, for your geographical position, you should compute the ratio solzen and solalt , and then multiply it by CO^2, which meaning I don’t remember.
Because the sigmoid, and think that we can safetly take a value of 0.5, since it is the average of the linear part of the curve.
Multiplying 0.5 by CO^2 this product MUST be < 77.
Just tu represent that in MCDM is my problem
Therefore, I would appreciate it if you can give me the following values:
CO
CO^4
SOLZEN
SOLALT
1/SOLZEN tan^2
I believe that with this data I could be able to solve the problem using SIMUS.
I agree with your efforts to use algebra and trigonometry, but how are you going to express the < relationships?
Anyway, let me know if you agree with my suggestion, and if you do, give me the values I request.
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Logistics seeks both to address real-world problems and research questions and to unite terminological, conceptual and methodological research aspects. In the last 20 years, biological research has developed extremely powerful methods and tools for fundamental and applied research. There is furthermore an increasing desire to build integrative research platforms that combine interdisciplinary and multi-level data to the structural complexity of biological systems. How much attention do you give to logistics for your research plans? Do you think logistics supports research methods, innovation, quality, value, and impact as well as training and participation opportunities for students as well as for practitioners? If so how and if not why not.
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Andrew Lewis - You've made excellent points with clear analogies - thank you! I agree with your synopsis that "Transitioning biological understanding to this next level is certainly in large part a logistical problem" and that we must strive to the "coordination of manpower and computational power resources being put towards the pursuit of understanding things at this level."
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Currently, two distinct types of indicators are being developed: (1) monitoring frameworks based on macro indicators that summarize progress at the national level, and (2) micro indicators aimed at analyzing circularity at the product level.
How to bridge the gap between the macro and micro levels of Circular Economy using any Logistic approach? My focus is to incorporate logistic strategies which could help in bridging the gap between the macro and micro levels of CE. Any reference papers or suggestions will be highly appreciated.
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Scfviscat meso level!
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How should i approach this question
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When you are going to find impact of X ( here company’s logistics performance) on Y ( here global international trade), you need to be able to measure both variable (X and Y) using some tools. To do this you need to read the literature and find the criteria/ measures for global international trade.
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Hi,
I plan to write my thesis on sustainable solutions to reduce carbon emissions in inbound logistics. As a result, I'm looking for articles and was wondering if you have any recommendations.
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The logistics Performance Index (LPI) developed by the World Bank measures the overall logistics performance of a country. On the other hand, the Liner Shipping Connectivity Index (LSCI) determines how well a country is connected to the global shipping networks. Both LPI and LSCI fail to reflect the complete picture of the maritime logistics performance of a country although some of the indicators of LPI and LSCI are significant for measuring maritime logistics performance.
The purpose of the question is to formulate a list of indicators that truly reflect maritime logistic performance.
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Some indicators in LPI and LSCI may be the key to the performance of maritime logistics. I recently read an article titled "The propellants of the Logistics Performance Index: an empirical panel investigation of the European region". The authors examined the factors that influence the LPI. The authors analyzed the factors that influence the LPI. I believe that a similar approach can be used to identify the key factors affecting the LSCI.
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How shipping and logistics industry can be improved using Data science and Statistical analysis methods?
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Big data is used to control sensors on a ship and to perform predictive analysis. Enhanced decision making through big data analytics is being actively implemented to avoid and predict additional costs and can be used throughout the life of a ship
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I have 186 respondents who were participated in my study. My questionnaire is dichotomous double bounded and asked their willingness to pay for the conservation programme.
To examine the determinants towards willingness to pay, I need to run the regression analysis but still not clear to use either logistic or probit regression.
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The other recommended rules of thumb are EPV of 50 and formula; n = 100 + 50i where i refers to number of independent variables in the final model.
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E-commerce has transformed the way we buy things and created jobs for millions of people, among other benefits. However, I have personally observed a significant amount of waste associated with online shopping in the form of unnecessary plastic packaging, a large amount of wrapping to deliver hot meals, and a variety of other things. Delivery is handled by integrated logistic companies in some countries, such as CaiNiao in China. One of the main aims of the logistics industry is to reduce logistic costs in order to keep prices competitive. In that case, how can they be persuaded to adopt sustainable (reusable) packaging and other similar solutions? Please share your ideas for resolving this issue.
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Hot foods ordered have to travel quite some distances, and often take quite some time, especially during evenings, when there could well be huge and long traffic queues, which add delays in delivery. The foods should arrive hot enough to go from the delivery door to a plate on the table. The wrappings should take into account delayed deliveries... so what is your solution?
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Hello! I am currently doing GARP species distribution models. However, I can't find a clear paper about the model's assumptions on what the input data should be or how should they behave.
For example, is it necessary that environmental data are normally distributed? Or that data should follow a certain function (e.g. logistic or linear)?
Thank you for your answers!
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What will be the future applications of analytics of large data sets conducted in the computing cloud on computerized Business Intelligence analytical platforms in Big Data database systems in enterprise logistics management?
The analytics conducted on computerized Business Intelligence platforms is one of the key advanced information technology technologies of the fourth technological revolution, known as Industry 4.0. The current technological revolution described as Industry 4.0 is determined by the development of the following technologies of advanced information processing: Big Data database technologies, cloud computing, machine learning, Internet of Things, artificial intelligence, Business Intelligence and other advanced data mining technologies.
The analytics conducted on computerized Business Intelligence platforms currently supports business management processes, including logistics management.
In my opinion, the use of analytics of large data sets conducted in the computing cloud on computerized Business Intelligence analytical platforms in Big Data database systems in enterprise logistics management, including supply logistics, production logistics, provision of services and distribution of manufactured products and services, is currently growing.
The analytics conducted on large data sets conducted in the cloud computing on Business Intelligence computerized platforms in Big Data database systems makes it particularly easy to identify opportunities and threats to business development, allows for quick generation of analytical reports on selected issues in the economic and financial situation of the business entity. In this way, the generated reports can be helpful in the processes of enterprise logistics management, including supply logistics, production logistics, provision of services and distribution of manufactured products and services.
Do you agree with my opinion on this matter?
In view of the above, I am asking you the following question:
What will be the future applications of analytics of large data sets conducted in the computing cloud on computerized Business Intelligence analytical platforms in Big Data database systems in enterprise logistics management?
Please reply
I invite you to the discussion
The issues of the use of information contained in Big Data database systems for the purposes of conducting Business Intelligence analyzes are described in the publications:
I invite you to discussion and cooperation.
Best wishes
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It is rising field since intelligence and in general artificial intelligence becomes the dominant technology of current era
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The on-line share of all grocery retail in the UK had been bumping along at around 6% for the last four years, then almost doubled, to just under 12%, at the start of lockdown, and has since fallen back to around 10%. During a recent lecture to MSc students the course participants were divided on the future potential of on-line grocery retail and whether the growth seen during the pandemic is sustainable. Some students thought that, having tried on-line shopping for the first-time during lockdown, they would probably continue using it for bulky and long shelf-life items, but also use local stores for fresh produce (probably the worst possible outcome for the grocery retailers as they would be left with delivering the high logistics cost and low margin products). Other students thought that they would go back to in-store shopping and that the current 10% market share would probably fall back to around 7 or 8%. Most of the analysis I have seen shows that UK grocery retail home delivery charges (anything from £1 to £7 dependent on day, time slot etc) do not begin to cover the costs. This suggests that at some point the grocery retailers will have to start passing on the real costs and/or collaborate to improve efficiencies (shared hubs and last mile delivery fleets?). Interested in any views / research on the topic.
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A low-margin, volume-intensive business selling perishable products that require quick delivery in special temperature-controlled vehicles makes for complex and expensive operations. But Instacart, for one, has reportedly made headway by emphasizing (a) flexibility (i.e., a mix of independent contractors and full-time employees, picking orders directly from stores); (b) shared platform costs (i.e., passing on the cost of development and maintenance for its website to those who use it, which channels more resources into improving the platform than would normally be be feasible); (c) portability (i.e., minimizing fixed infrastructure makes it easier to expand in new markets); and (d) volume (i.e., brand-neutrality helps attract clients from across the grocery world).
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How to introduce a covariate in a multivariable logistic prediction model when the event of interest always occurs in individuals exposed to this covariate. It is possible to determine the adjusted odds ratio with their 95% confidence interval?
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I attach information to exemplify the problem.
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Small open economies face the challenge how to improve logistics system in order to stimulate international trade and national competitiveness.
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In my opinion, the use of ICT and Industry 4.0 information technologies to improve computerized e-logistics systems and increase the automation of logistics processes are factors in the improvement of logistics systems. In addition, shortening of international logistics chains of supply and sourcing and distribution increased its importance during the SARS-CoV-2 (Covid-19) coronavirus pandemic.
Best wishes,
Dariusz Prokopowicz
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What kind of scientific research dominate in the field of Smart production?
Please, provide your suggestions for a question, problem or research thesis in the issues: Smart production.
Please reply.
I invite you to the discussion
Thank you very much
Best wishes
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Dear Dr. Dariuscz Prokopowicz,
I consider that the type of scientific research that dominates in the field of "intelligent production" revolves around theoretical discussions about the existence of "intelligent territories", generating in turn a concept that has been developed recently, taking as bases the notions of:
a) "Knowledge Society"
b) "Knowledge Economy"
c) "Sustainable Development"
d) "Social Inclusion".
These are new types of territorial spaces in which we interact for the sake of a new advance in the Economy and thinking about the New Social Structures that are being generated after Covid-19 with new behaviors of Human Beings.
My respects.
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To support the debate I enclosed the slides of IEOM South America 2021 keynote.
My guess:
The future performance of production and logistics relies on knowledge-intensive technologies, components and systems. The development of this strategic knowledge depends on a close collaboration between industry and academia in research projects and education initiatives.
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Please have look on our(Eminent Biosciences (EMBS)) collaborations.. and let me know if interested to associate with us
Our recent publications In collaborations with industries and academia in India and world wide.
EMBS publication In association with Universidad Tecnológica Metropolitana, Santiago, Chile. Publication Link: https://pubmed.ncbi.nlm.nih.gov/33397265/
EMBS publication In association with Moscow State University , Russia. Publication Link: https://pubmed.ncbi.nlm.nih.gov/32967475/
EMBS publication In association with Icahn Institute of Genomics and Multiscale Biology,, Mount Sinai Health System, Manhattan, NY, USA. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/29199918
EMBS publication In association with University of Missouri, St. Louis, MO, USA. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30457050
EMBS publication In association with Virginia Commonwealth University, Richmond, Virginia, USA. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27852211
EMBS publication In association with ICMR- NIN(National Institute of Nutrition), Hyderabad Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/23030611
EMBS publication In association with University of Minnesota Duluth, Duluth MN 55811 USA. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27852211
EMBS publication In association with University of Yaounde I, PO Box 812, Yaoundé, Cameroon. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30950335
EMBS publication In association with Federal University of Paraíba, João Pessoa, PB, Brazil. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30693065
Eminent Biosciences(EMBS) and University of Yaoundé I, Yaoundé, Cameroon. Publication Link: https://pubmed.ncbi.nlm.nih.gov/31210847/
Eminent Biosciences(EMBS) and University of the Basque Country UPV/EHU, 48080, Leioa, Spain. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27852204
Eminent Biosciences(EMBS) and King Saud University, Riyadh, Saudi Arabia. Publication Link: http://www.eurekaselect.com/135585
Eminent Biosciences(EMBS) and NIPER , Hyderabad, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/29053759
Eminent Biosciences(EMBS) and Alagappa University, Tamil Nadu, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30950335
Eminent Biosciences(EMBS) and Jawaharlal Nehru Technological University, Hyderabad , India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/28472910
Eminent Biosciences(EMBS) and C.S.I.R – CRISAT, Karaikudi, Tamil Nadu, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30237676
Eminent Biosciences(EMBS) and Karpagam academy of higher education, Eachinary, Coimbatore , Tamil Nadu, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30237672
Eminent Biosciences(EMBS) and Ballets Olaeta Kalea, 4, 48014 Bilbao, Bizkaia, Spain. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/29199918
Eminent Biosciences(EMBS) and Hospital for Genetic Diseases, Osmania University, Hyderabad - 500 016, Telangana, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/28472910
Eminent Biosciences(EMBS) and School of Ocean Science and Technology, Kerala University of Fisheries and Ocean Studies, Panangad-682 506, Cochin, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27964704
Eminent Biosciences(EMBS) and CODEWEL Nireekshana-ACET, Hyderabad, Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/26770024
Eminent Biosciences(EMBS) and Bharathiyar University, Coimbatore-641046, Tamilnadu, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27919211
Eminent Biosciences(EMBS) and LPU University, Phagwara, Punjab, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/31030499
Eminent Biosciences(EMBS) and Department of Bioinformatics, Kerala University, Kerala. Publication Link: http://www.eurekaselect.com/135585
Eminent Biosciences(EMBS) and Gandhi Medical College and Osmania Medical College, Hyderabad 500 038, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27450915
Eminent Biosciences(EMBS) and National College (Affiliated to Bharathidasan University), Tiruchirapalli, 620 001 Tamil Nadu, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/27266485
Eminent Biosciences(EMBS) and University of Calicut - 673635, Kerala, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/23030611
Eminent Biosciences(EMBS) and NIPER, Hyderabad, India. ) Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/29053759
Eminent Biosciences(EMBS) and King George's Medical University, (Erstwhile C.S.M. Medical University), Lucknow-226 003, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/25579575
Eminent Biosciences(EMBS) and School of Chemical & Biotechnology, SASTRA University, Thanjavur, India Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/25579569
Eminent Biosciences(EMBS) and Safi center for scientific research, Malappuram, Kerala, India. Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/30237672
Eminent Biosciences(EMBS) and Dept of Genetics, Osmania University, Hyderabad Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/25248957
EMBS publication In association with Institute of Genetics and Hospital for Genetic Diseases, Osmania University, Hyderabad Publication Link: https://www.ncbi.nlm.nih.gov/pubmed/26229292
Sincerely,
Dr. Anuraj Nayarisseri
Principal Scientist & Director,
Eminent Biosciences.
Mob :+91 97522 95342
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I am planning to study effect on logistics performance/efficiency with provision of private freight terminals and private slidings in Nepal, currently where ICD and ICP are owned by govermnment alone. I couldn't find sufficient papers for review though, and i am looking for help from the community.
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I would suggest you check the work of Violeta Roso (Chalmers University, Sweden) who has been researching dry port all over the world: she's also on researchgate: www.researchgate.net/profile/Violeta-Roso
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I am trying to create a qualitative question about logistics system on courier services. Is there any example ?
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I agree with @Cenk Calista that it is advisable to use a case study on courier services and ask questions based on what your focus or expectations on courier services. Like @Saidjahon Hayrutdinov indicated consider the 4 main influence of logistics service.
Read different articles on courier services, you will get more ideas and problem statements.
Goodluck!
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What is the changing logistics of the distribution of products or services in connection with the development of Internet trade, online payments and settlements, and the provision of information services via the Internet?
Please reply
Best wishes
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Dear Arcelan S. Sadiq,
Yes, finding alternatives to products at the most appropriate prices with the ability to provide processing and delivery services internationally increased its importance during the SARS-CoV-2 (Covid-19) coronavirus pandemic in 2020.
I invite you to the discussion,
Thank you very much,
Best regards,
Dariusz Prokopowicz
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We have an Excel solver that computes the concentration of unknowns based on a calibration curve. Since we are a company that produces ELISA tests, we use 4PL for the data. We are trying to validate the solver, but unfortunately it was designed by an outside agency. Basically, what I need to do is walk through each step that the solver performs and compare it to manual calculations. The issue that I am running into is when the solver compares the predicted values to the average of the two optical densities for each of the calibration standards' replicates. To me, it looks like the solver is drawing the line of best fit and then calculating the parameters and using these in the calculations of the predicted values for each standard. However, I cannot determine how the parameters are being calculated, so I have hit a wall. I've searched all over the internet but each answer I've found basically says "use excel" or "use this other software" to calculate the parameters, so I can't find any explanation for how they are manually calculated.
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Dear Zak Hutchinson
I think excel can solve this problem .
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2 Logistic chaotic sequences generation, we are generating two y sequence(Y1,Y2) to encrypt a data
2D logistic chaotic sequence, we are generating x and y sequence to encrypt a data
whether the above statement is correct, kindly help in this and kindly share the relevant paper if possible
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here is my article which can be an answer of your question
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I am currently working on an NB-IoT-based project for logistics. Ever since the pandemic began, I could not visit places to do some extra researches and practicals on the topic. I actually need some help with the ways that I can check the NB-IoT connectivity region-wise. Kindly, give your suggestions on this.
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I am looking for a colleague or a supervisor to write an ISI Article about the area of SCM and Machine learning that I am keen on it
Anyone is interested to help me or colloborate with me just message me here
I am looking forward to your reply
Thank you
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Dear Ms. Ghorbani!
Please let me state you should talk to your Master thesis supervisor (s) first. In addition you can join free of charge to the Elsevier Researcher Academy and network with other professionals via LinkedIn:
Yours sincerely, Bulcsu Szekely
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I am currently writing about the role of national culture (differences in values (especially risk aversion) and attitudes in general) for international supply chains. Does anyone know of an example of a global company that experienced supply chain problems due to the national culture of the host country?
Thank you very much!
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Dewan Hafiz Nabil Thank you, but i am looking for a company example.
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Looking into global context of this pandemic cause thousand of flight being canceled and grounded. In local context, e-hailing is far most frequently used to deliver consumer goods. Some maybe looks like it negatively impact the trade, but how does logistics perhaps to be important factor to elevate new trend of consumer behaviour of purchasing through e-commerce for the next five years?
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During the first wave of the SARS-CoV-2 (Covid-19) coronavirus pandemic, there was a significant shortening of international logistics chains. Due to the acceleration of digitization and internationalization of economic processes, the development of e-commerce, Internet purchases, online settlements and payments, the development of e-banking, etc., e-logistics is also developing.
Regards,
Dariusz Prokopowicz
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The current technological revolution, known as Industry 4.0, is determined by the development of the following technologies of advanced information processing: Big Data database technologies, cloud computing, machine learning, Internet of Things, artificial intelligence, Business Intelligence and other advanced data mining technologies.
In connection with the above, I would like to ask you:
Which information technologies of the current technological revolution Industry 4.0 to the greatest extent support the logistics management process of the enterprise?
Please reply
Best wishes
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in my opinion, modern technologies, voice systems, artificial intelligence and the Internet of Things facilitate the work in logistics. However, it is worth remembering that the analysis of large amounts of data should support people, not just the process.
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there are at least five types of standard curve logistic , cubic, quadrian, cubic spline, and linear
I need a simple explanation and guide to select one for my work?
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Dear Kaled,
You can choose curve estimation regression models. To determine which model to use, graph your data. If your variables appear to be linearly related, use a simple linear regression model. When your variables are not linearly related, try transforming your data. When the transformation does not improve things, you may need to use a more elaborate model. Look at a scatter plot of your data. If the plot looks like a mathematical function you recognize, adjust your data to fit that type of model. You also need to determine the quality of the approximation using the coefficient of determination for example. To do this you can use R or any other statistical software.
I hope this helps.
Nassim Mrabti
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Hello dear colleagues,
There is a question to all fermentation specialists and for specialists in microbial growth modeling in fermenters.
In my article "S-shaped growth curves in fermentations and golden ratio", https://www.worldscientific.com/doi/abs/10.1142/S1793524520500199 , it was shown "at the tip of the pen" that the ratio Xp/XLim=Φ^2= 2.6180339887… for conditions of growth of microorganisms with oxygen limitation, where Xp is theoretical asymptotic maximum biomass concentration, [biomass units/volume units]; XLim is exponential growth phase end and beginning of GIP, [biomass units/volume units]. At the same time, it is necessary to have a clear understanding that the value of Хр differs from the value ХFinal, final biomass concentration, when total biomass, X, contains only non-dividing cells, Xst, and XFinal < Xp , [biomass units/volume units]; Xst is concentration of the biomass of zero age (stable) cells, [biomass units/volume units]; Xdiv = X − Xst is concentration of proliferating biomass, [biomass units/volume units]. Please see the Figure 1 from this article, see the link above.
Used for about 200 years in biochemistry and biometrics, the logistic curve postulates strictly mathematically the ratio Xp/XLim=2- again, please do not confuse it with the XFinal value, which is the beginning of the stationary growth phase or the phase of cell death, because Хfinal is a specific value from your experiments, but Хр is an asymptote.
Probably many of you know, that representatives of the professional community of astronomers and / or cosmologists are writing joint articles via the Internet with the number of authors up to 1000 or more. Therefore, I invite the professional community that deals with fermentation and mathematical modeling of fermentation to try to figure out the question what is the correct ratio of Xp/XLim - is it 2 or is it Φ^2? Do I have a mistake in my calculations? My practical experience of over 30 years in our field shows the answer is Φ^2. What could you personally say about your experience?
When you start preparing the answer to this question, I ask you not to forget about the "pitfalls" that may occur.
First of all, you must be sure on a basis of strong experimental data, when you analyze any of your fermentation, that you are dealing ONLY with oxygen limitation and other restrictions on the growth of bacteria / microorganisms / cells are completely absent. This is the first thing. Second, you need to be sure that the volume of the fermentation liquid in the reactor has not changed significantly in the reactor/fermenter during the fermentation from the start to finish and at OTR=const. Third, we are now discussing ONLY biomass growth without the limitations that will inevitably be available if your biomass produces large quantities of some useful product. For example, recombinant cells will not be the case that is useful for this my question. It is better to look at other possible restrictions right in my article.
I have absolutely no idea yet how I will process the data if my question gets a lot of responses. It is possible for me to do this easily when there are dozens, at most, hundreds of answers. But, if there are more, I have absolutely no idea what I will do with it. Perhaps the professional community will spontaneously do some structuring? On the other hand, the current dominant economic model in the world severely limits the number of responses due to data confidentiality. And only scientific academic divisions are more free for this kind of discussion. One of my reviewers for this article gave me a good word that this issue can be of great importance for industrial production. I want to add that this question is also of great scientific importance. First of all, for the reason that there is a need for additional verification of the logistic curve. It is known that this curve has no physical meaning, as well as the previously discussed J. Monod model . If together we can prove this also statistically, then together we will make a significant step forward in terms of the economic efficiency of microbiological production.
Considering the above, I ask you to put your "Likes" and to "Share" to maximize the spread of this post. Also, I ask you to give in your comments some of your ideas regarding my question on its essence and on how to get data from the interviewed colleagues and how best to be doing the processing of this data.
Regards,
Sergey P.Klykov,PhD,
February, 4,20201
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Machine Learning Problem
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The response of Jamie Wallis is completely right.
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Dear Sirs / Madam,
My aim is to research a topic that would ease the life of investors and students in future. As you may know that logistics is a vast field may includes shipping, warehousing, transportation or infrastructure developments such as ports or logistics parks. However, i'm unable to find a research whereby it covers that what type of cost components are involve in each type of investment, the ROI, pay back and the challenges to watch out.
Appreciates if you may know the research in this area and if yes please share the references?
Regards,
Junaid.
00966567703332
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However, in an era characterized by large inventory write-offs and a growing suspicion about the perceived value of enterprise-wide supply chain solutions, logistics professionals have every right to insist on demonstrable return-on-investment (ROI) from the systems they've implemented.
Refer article in the following link:
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Hello dear Professors, Researchers,..
Anyone in the discipline of industrial engineering would like to write an article in the area of SCM and AI? It is my pleasure to collaborate with you. just message me.
I look forward to hearing from you
Best regards
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Thank you for your response, I have a plan to do my Ph.D., and also I am interested in applied of AI in SCM. So I want to write an article in this area. And if possible I need someone to instruct me or collaborate with me. About the journal, I haven't chosen yet.
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What modern, computerized information technologies in the field of Industry 4.0 are used to implement improvements in production logistics or other logistics areas, such as distribution logistics, supply logistics, transport logistics, etc.?
Please reply
Best wishes
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In recent years, the improvement of production logistics is carried out by optimizing the processes of managing the supply of raw materials, semi-finished products and prefabricated products to specific stages of the production process in accordance with the concept, e.g. just in time. The improvement of production logistics is also made through the optimization of the consumption of raw materials, energy, etc. as part of the improvement of technological production processes. The aforementioned improvement of technological production processes is carried out by implementing such Industry 4.0 technologies as smart technologies, learning machines, network development engineering, industrial Internet of things, automated machines and robotics, horizontal and vertical data system integration, multi-criteria simulation models, additive manufacturing, etc.
Best regards,
Dariusz Prokopowicz
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What types of restructuring processes are used to implement improvements in production logistics or other logistics areas, such as distribution logistics, supply logistics, transport logistics, etc.?
Please reply
Best wishes
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The SARS-CoV-2 (Covid-19) coronavirus pandemic, through its impact on economic processes in many production companies, accelerated the development restructuring processes implemented through the implementation of new Industry 4.0 technologies, including the use of smart technology, the Internet of Things, learning machines, robotics, artificial intelligence, cloud computing etc. and improvement of production logistics. Currently, many production companies are creating platforms that enable the implementation of team engineering projects implemented in the form of remote work and with the use of the so-called. digital twins of specific designed production processes, complex product designs, multi-stage technological, manufacturing, production processes, etc.
Regards,
Dariusz Prokopowicz
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Grab seems like it's an important player in the digital scene in Southeast Asia. But what impact does it have in rural space? I'm looking for papers or personal insights.
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I can only share with you my traveling experiences in 2019 and the first weeks of 2020 (I have returned to Macao on January 19 at the start of the pandemic crisis). In Indonesia, I had access to Grab in Jakarta and Yogyakarta, but not in small towns and rural areas. The same happened in Vietnam: I accessed Grab transportation services in Danang, but they were not available in Haiphong and other smaller towns. These are large countries with huge populations, so I presume that GRAB will concentrate services, mainly transportation and food delivery, in the large metropolitan areas. As you know, in Indonesia, Vietnam, Cambodia, or Laos, transportation in rural areas and small towns uses motorbikes and bicycles, while food is easily offered by countless peddlers and simple booths. I don't foresee any online services able in the next coming years to change these long-term sociabilities and economic patterns.
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Public health authorities claim that no one is safe from COVID-19 until every one is safe. This has translated into a goal to vaccinate everyone who can be vaccinated. Logistically, however, it will take 7 years to vaccinate 2 million adults per day (365 days a year, no weekends or public holidays) across the world in order to vaccinate earth's 5.8 billion population over the age of 15 with a single dose. (Some well resourced countries are struggling to achieve 100k jabs per day). So what's the point?
We are not even discussing the hundreds of thousands of vaccinators needed at work everyday for 365 days a year for 7 years to achieve 2 million jabs per day, or the possibility of new vaccine-resistant virus variants and mutations, or the endemic unknowns that can overtake the best designed plans, as well as Murphy's law etc. It appears that, once the developed world is accounted for, everything may grind to a halt or settle into an opaque, haphazard process without a clear end in sight. It may be that the only solution to vaccinate "everyone" within a year or two years is to inject half the world with a saline placebo?
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Dear Dr. Nyasha Mboti, yes, we are facing a pandemic, that has engulfed the entire world... The virus by its nature cannot reproduce and cause mutations unless it enters the host's body, so the main goal of vaccination is to reduce infection rates by generating acquired immunity against the virus, and where the purpose is to isolate the virus from the host ... Certainly there is natural immunity, but we cannot rely on it to control and reduce infections, because I mentioned that in order to fight and eradicate of the virus, transmission rates must reach zero, and this is not possible at the present time for several reasons I mentioned in the first comment ... We also must not forget that the immunity generated against this virus, whether from natural infection or from the vaccine, is not long-term and ends after a while, and here the virus may develop itself and new variants appear from it that are more dangerous and fastest spread ... So even after controlling the pandemic globally, it is very possible to expect that we will live with the virus in the future and it will turn from an epidemic to an endemic disease ... My sincere gratitude to everyone.
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Dear researcher,
Please help me to create the non-linear codes for obtaining the growth curve of Logistic, Gompertz and Von Bertalanffy ? Thanks
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thanks very much
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And what data may be needed to evaluate these changes
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If we are talking about green logistics as well, how can this indicator be measured?
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Logistics civil-military cooperation is one of the key element of necessary for improving effectiveness supporting military units. Especially nowadays improving logistics relation between military and civilian environment is necessary for developing of economy and troops logistics support.
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Hello John, thank you very much for your answer. I agree with you that the main problem and challenge for logistics nowadays is supported action against CoVID-19.
Take care of yourself, too.
Tomasz J.
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I am looking at the prevalence of some outcome variables but the prevalence for all the outcome variables are very low (for eg, 7.8% for one outcome variable). I tried logistic regression to look at the association with predictors and cofounders but the overall model is not significant. The expected count for all predictor variables is less than 5. Should I perform logistic regression or is there no point in doing this?
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It's great! I suggested the following. If I am correctly understanding, you have two different outcomes: one at the ordinal level and the other binary. Sometimes, in binary regression, you may also come across some dependency among covariates that highly affect your significance. Hence, for binary outcomes, I think it may be better to fit the quasi-likelihood and full likelihood in addition to the basic binary logistic regression. Then, you can compare the models. For the three categories of the model, I think you can fit models like adjusted, continuity, and proportional odds model which leads you to select the better model in fitting your data.
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Since Logistic Regression is a statistical classification model dealing with categorical dependent variables, why isn't it called Logistic Classification?
Shouldn't the "Regression" name be reserved for models dealing with continuous dependent variables?
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Logistic regression is originally a regression technique. By including a decision rule, it is transformed into a classifier. It is more successful in classification problems but it is also used in regression problems.
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i am running a logistic regession - outcomes are binary (pass/fai). but some id has shoed up two times, say, two incidence of fail. should i inlclude , or just delete the repeated obervations. thank you very much
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thank you
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We have seen a stability in the supply chains of goods, food in particular, during the current pandemic of Covid19 continue, mostly undisturbed.
It is very reassuring at a time of uncertainty and macro-risks falling onto societies.
How much do we owe to the optimised management and supervision of Container transport, and multimodal support to it with deep sea vessels, harbour feeder vessels, trains and trucks/lorries?
What is the granularity involved? Hub to hub, regional distribution, local delivery?
Do we think that the connectivity models with matrices, modelling the transport connections, the flows per category (passengers, freight, within freight: categories of goods), could benefit from a synthetic model agreggation of a single matrix of set federating what has been so far spread over several separate matrices of numbers?
What do you think?
Below references on container transport, and on matrices of sets
REF
A) Matrices of set
[i] a simple rationale
[ii] use for containers
[iii] tutorial
B) Containers
[1] Generating scenarios for simulation and optimization of container terminal logistics by Sönke Hartmann, 2002
[2] Optimising Container Placement in a Sea Harbour, PhD thesis by by Yachba Khedidja
[3] Impact of integrating the intelligent product concept into the container supply chain platform, PhD thesis by Mohamed Yassine Samiri
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Follow
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What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic approach. Is there any other way to measure growth rates in that case?
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See the attached paper.
Dr. Salahuddin
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I have completed my Masters in Logistics and Supply Chain Management from Heriot-Watt University and looking forward to apply for PHD Scholarship in the same subject.
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By the way,
have you taken into account newest sustainable and circular economy developments, related to supply chains??
Systematic literature review and research gap issues on third party logistics operators selecting WMS for efficient operations for customers
Decarbonizing warehousing activities through digitalization and automatization with WMS integration for sustainability supporting operations
Operations automatization and digitalization – a research and innovation collaboration in physical warehousing, improvement ideas in AS/RS and 3PL logistics context
Traditional and extended fleets in literature and practice: Definition and untapped potential
A development of the warehouse management system selection framework as academic-industrial collaboration work with sustainability considerations
Operations automatization and digitalization – a research and innovation collaboration in physical warehousing, AS/RS and 3PL logistics context
Best collaboration practices in supply chain of technical wholesale items
Strategic Collaboration in Supply Chain of Technical Wholesale Items. Case Mercantile Ltd.
Exception Management in Inventory Replenishment Operation Model of Technical Wholesale Items in Finnish Machinery Industry. Case Study.
Demand-supply chain synchronisation in the Finnish machinery industry
Demand and Supply Chain Management in Small Advertising Agency
Formalising network development in manufacturing SMEs
Success factors of collaborative product development in production networks
Extended VMI in a Demand-Supply Network among a Sales Network, a Manufacturer and a Subcontractor Network
Supply Information Visibility from Subcontractor Network to Manufacturer to Decrease Supply Risk
Synchronization of demand and supply in a supply chain manufacturing industrial products
Logistics service provider as a business growth enabler and supply chain synchronizer
Strategic Collaboration in Supply Chain of Technical Wholesale Items. Case Mercantile Ltd.
Demand and Supply Chain Management in Finnish Machinery Industry. Research Agenda
New Promises AI Brings into Circular Economy Accelerated Product Design: Review on Supporting Literature
Hackathons as a Company – University Collaboration Tool to Boost Circularity Innovations and Digitalization Enhanced Sustainability
Exploring Industry 4.0 Technologies to Enhance Circularity in Textile Industry: Role of Internet of Things
Key Enablers for Deploying Artificial Intelligence for Circular Economy Embracing Sustainable Product Design: Three Case Studies.
Best regards,
Associate Prof. Ari Happonen / LUT
P.S. If any of your interest publications do not have open full text available, just please send me a message and I try to arrange Pre-Print as soon as possible.
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What is time complexity for linear SVM and logistic regression . Google says SVM is O(N2) and logistic is O(N), but i want some paper which i can keep in my reference of thesis to justify result of my research.
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Maybe the following paper can be of help for you:
" On the complexity of logistic regression models" (https://arxiv.org/pdf/1903.00386.pdf).
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Hi,
I am a Biological Anthropologist studying whether a especific anthropometric variable (such as the head femoral diameter) in the human skeleton distinguishes males and females. Some studies performed logistic regression, while others used discriminant analysis, so the results come from different analyses. However, all previous studies reported the n, mean, and standard deviation of the measure of males and females.
So, I am tempted to use that data to perform a logistic metaregression.
Best regards,
Rodrigo
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1) How to calculate the marginal factor exp (b) to explain my results from the multinomial logistic? 
2) Is marginal factor calculated in the same way for both dummy and continuous variables? 
3) Is the standard error of the coefficient b indicating multi collinearity or what exactly? what should be the minimum value for the standard errors ( please give me some references to support the answer).
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In gretl you must download the lp-mfx package plugin to calculate the marginal effect for ordered logit, multinomial, e.g. The program can be downloaded from gretl itself
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Industry 4.0 has been partially defined by its use of machine-to-machine communication and Internet-of-Things (IoT) devices to create factories that operate like smart homes: an array of appliances and machines are brought into constant communication to create a cohesive, highly visible system. Logistics 4.0 operates under these same principles, but with a different set of parts. Specifically, it makes use of “smart” containers, vehicles, pallets, and transport systems to create a fully networked supply stream that offers supply chain managers, shippers, freight forwarders, and others the necessary visibility to route transport and optimally perform other logistics tasks. The concepts of Logistics 4.0 are becoming popular as logistics management evolves. Industry 4.0 impacts the corporate world through digitization both horizontal and vertical supply chains, products, services, business models, and customer relations.
How much this will affect the Reverse Logistics, especially Post-COVID recovery time?
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Information technologies, ICT, Internet and advanced processing of big data, technologies of the current fourth technological revolution, and Industry 4.0 technologies allow enterprises to develop e-logistics during the SARS-CoV-2 (Covid-19) pandemic. Thanks to the aforementioned technologies, economic entities and institutions modify their logistic processes, increase the scope of digitization and internetization of supply, production and distribution logistics. Thanks to Industry 4.0 technologies, including the Internet of Things, cloud computing and machine learning, the production logistics processes are improved through the development of smart production solutions. In addition, thanks to the implementation of ICT, Internet and Industry 4.0 information technologies, logistics chains are shortened, including intermodal, transnational logistics chains of supply and distribution, and the scope of e-logistics applications increases.
Best regards,
Dariusz Prokopowicz
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Covid-19 is overwhelming some countries in terms of infections and casualties. It is an unfortunate situation that shows no end. In some countries the problem is compounded due to incompetent of the governments in managing the crises and by politicizing the pandemic for personal gain.
Many businesses could not survive the prolonged partial or full shut down and closed down. Some other business however performed very well. Is the cause of success, the ability and willingness to change and adopt to new challenges, or other parameters involved?
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Interesting question Mahmoud Moghavvemi . Would be interested to know as well.
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Dear Colleagues,
Let me invite you to publish the results of your scientific work in a special issue of the journal Sustainability (IF 2.576). The special issue is focused on Environmental Risk Assessment in Transport. A complete overview of the call for papers can be seen at: https://www.mdpi.com/journal/sustainability/special_issues/environmental_risk_assessment_transport
In this Special Issue, the focus will be on the current green transport policy—specifically, sustainable transport aimed at environmental protection that creates social balance and economic sustainability. The content of this Special Issue can be divided according to the types of transport (air, sea, ship, rail, road) or according to other subdivisions into individual and public, and passenger and freight. Intermodal approaches that contribute significantly to reducing the impact of transport on the environment are especially welcome. A key area of ​​current research is the application of SMART solutions throughout the logistics chain, as well as the challenges of intelligent transport systems, which have grown in importance in the last twenty years. We expect a minimum of 20 articles from different European countries in this Special Issue.
Zdenek Dvorak, Zoran Cekerevac, David Rehak
Guest Editors
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Dear dr Rehak,
It will be a pleasure to contribute to the special issue of the Sustainability journal. Please let me know the deadline for submission and will send you asp Abstract focused on Environmental Risk Assessment in Transport. All the best,
Darko
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I would like to hear your opinions regarding sharpening the orientation of my career by focusing on what matters most just looking at the trends and how the world is changing.
Actually, I did Quantity Surveying/Construction Management (cost engineering) and mastering now in Global Logistics.
I want to combine these two into a long term business focusing on Digital World (I love business).
Thank you
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I propose the implementation of research development in the field of Global Logistics with the use of new information technologies, ICT, Internet and Industry 4.0, including IoT technologies, cloud computing, Big Data Analytics, etc. The use of these technologies allows for shortening logistic chains and the development of e-logistics. These processes may be helpful in transforming logistics in the context of the current SARS-CoV-2 (Covid-19) coronavirus pandemic. In addition, the research carried out can include the analysis of determinants of the transformation of traditional logistics towards sustainable green logistics. So I propose to take into account the above issues in future scientific research.
Best regards,
Dariusz Prokopowicz
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Hi everyone, I have to clarify a few of these things
01. Is there any difference “10 percentile training presence logistic threshold” ( maxentResults.csv) in the column titled and the "10 percentile training presence" in the .html file(output)?
02. When representing unsuitable habitat and suitable habitat can be used "10 percentile training presence" instead of “10 percentile training presence logistic threshold”? If yes which one is most suitable
Thank you..
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This is a usifule article for your topic:
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Hi!
The results to my research project have come in and now it's time to analyse. I am having some difficulties however.
I encountered the following problem:
In our research we assigned participants to 3 different conditions where each condition had a different manipulation. Logistically, they were thus presented with different questions (which actually are the same in essence, see picture).
Now I want to merge the answers to for example A1 (only one of the 3 A1 questions got answered for each participant) and have the different conditions presented by a new variable: CONDITION.
How do I tackle this?
Thanks in advance!
Roy
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Really, better do it in excel dans then upload again on SPSS to create a new version of your database :)
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Greetings.
I am enlightened to know the shift of the workforce to rural areas and their participation in self-reliance on a rural-based economy. the prerequisites to backup rural development need transportation, power, market, and other relevant logistics to support the growth. what is the annual pace of growth?
My best regards,
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Dear Dr Shahida Anusha Siddiqui , this is an interesting question and I would like to learn from the outcome of this discussion. Warm regards Yoganandan G
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Considering the volume of losses and waste, the magnitude of loss in most of the Asian countries maybe even more than 30%. I guess Optimized packaging is not a stand-alone mechanism and guess would need some infrastructural and logistic support to adopt and apply, especially in developing and underdeveloped countries. but then cost comparison to adopt a new packaging VS existing packaging VS loss and waste amount. Eventually, the volume considered to be lost/waste helps to feed species such as birds and insects, etc. this is more of an issue of management and control. Please suggest.
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Hello,
the formula to calculate the number of individuals given the initial population size is:
Nₜ = rᵗN₀
where Nₜ is the number of individuals at time t, N₀ is the initial number of individuals and r is the net reproductive rate. For bacteria, I reckon I can change it to:
Nₜ = μᵗN₀
where μ is the specific growth rate of a given bacterium. For Escherichia coli, I have found a value of 0.72. Now, bacteria are modeled to grow in a logistic fashion, thus I need to introduce the term 1-N/K where K is the carrying capacity of the environment. Hence, I need to convert these equations in equivalents containing the logistic term. I have found the Verhulst equation:
Nₜ₊₁ = μNₜ(1-Nₜ/K)
and the Ricker's curve:
Nₜ₊₁ = Nₜexp[μ(1-Nₜ/K)]
but these calculate the increase at the next time interval, e.g. from the beginning of the experiment to 1 hour after. However, these do not contain the term t that allows me to calculate the population expansion at any given time, for instance 24 hours after the beginning of the experiment. My questions are:
  • how can I convert Nₜ = μᵗN₀ to an equation containing the logistic term?
  • how can I solve the Ricker's curve for Nₜ?
Thank you
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I got an answer from Prof. James Murray (Emeritus Professor of Mathematical Biology, University of Oxford).
Essentially it can be solved algebraically, but the whole series has to be written down.
"""
If you write down the first few populations N1, N2, etc. you get:
N2 = rN1(1 - N1/K) = r[rN0(1 - N0/K){1- rN0(1 - N0/K)]/K}
So if you have N2 to get N0 you have to solve the last algebraic equation for N0 with N2 given. It requires the solution of a quadratic.  
If you write down N3 you get: 
N3 =rN2(1-N2/K) = r[r[rN0(1 - N0/K){1- rN0(1 - N0/K)]/K}][1 - {r[rN0(1 - N0/K){1- rN0(1 - N0/K)]/K}}/K]
So, now, if you now have the measured N3 you have to solve the last nonlinear algebraic equation for N0. I doubt it can be done algebraically!  You can do it by moving back 1 at a time until you get N0
"""
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Every year, millions of tons of food of food are wasted in every highly developed country. How should the logistics of deliveries of agricultural products be improved and the consumers of food products to be more economical in order to economise the purchased food so that citizens do not throw so much food into the trash? How to change the habits of consumers? What institutions should still be created to take away unused food from consumers and, if it is suitable for consumption, efficiently, systematically transfer it to poorer countries in which food is lacking? In connection with the above, the current question is: How can the food waste in developed countries be systematically reduced?
Please reply. I invite you to the discussion.
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Yes, unfortunately the scale of food waste is still high. Systems and instruments for reducing food overproduction, logistics for transporting food products, storage and consumption should be improved. It is necessary to limit the scale of throwing away food products in order to reduce the waste of inputs, raw materials, energy and natural resources. In addition, limiting the overproduction and scale of throwing away food products also reduces the scale of environmental pollution, e.g. chemical plant protection products used in the production model of agriculture, reducing the scale of greenhouse gas emissions from intensive, productive livestock farming, reducing the scale of water consumption, etc.
Best regards,
Dariusz Prokopowicz
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Data are important to companies. That holds for logistical companies too! With this survey we measure where logistical companies stand when it comes to "analytics". Analytics, here, is a catch-all for data-driven techniques like business intelligence, data science and artificial intelligence.
Objectives of this survey 1. Where do you stand, vis-à-vis your peers? 2. Trends, and value added of analytics.
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Thanks!
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Data are important to companies. That holds for logistical companies too! With this survey we measure where logistical companies stand when it comes to "analytics". Analytics, here, is a catch-all for data-driven techniques like business intelligence, data science and artificial intelligence.
Objectives of this survey 1. Where do you stand, vis-à-vis your peers? 2. Trends, and value added of analytics.
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Thank you @e
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.
It is very important to pay attention to the different dimensions of a phenomenon in order to recognize it.
The issue of logistics is one of the most common examples that is often overlooked and ignored in all its dimensions and aspects.
It should be noted that logistics is an integrated unit, and even if it is defined in different types and forms, such as inbound or outbound logistics, ports or multimodal logistics, etc., other dimensions should not be ignored.
For example, if by definition the logistical aspects are considered for academic and educational purposes, we should not forget that we are dealing with an integrated whole. Therefore, if we talk multimodals logistics, let's consider other dimensions. For example, land, sea and air logistics and etc.
Perhaps the inability to understand the various dimensions of the logistics attitude can be compared to the difficulty of understanding the fourth dimension. ertainly it is very difficult to imagine the fourth dimension for us who live in a three-dimensional world, but with an example we can solve this problem to some extent for our logic
Perhaps attached clip can somehow clarify the need to pay attention to different Dimensions of the subject to understand the object .
Now according to the description provided,what capabilities do you think will help to create and strengthen this attitude?
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Ramin Rostamkhani Thank dear freind
Can QET be like the logistics attitude? I mean, can this technique be the basis for discovering, designing, producing, executing and controlling operations in an organization?
Behrooz
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Imagine that your predictor is age ranged from 0-100. Your coefficient is 2. You want to compare your coefficients with 1 as a classical logistic function. Your classical function is exp(x)/1+exp(x). You correct as exp(x-50)/1+exp(x-50) to align the turning point on the middle of predictor range.
Then you perform -integrate- function on both of the above conditions in R.
> integrate(function(x){exp(x-50)/(1+exp(x-50))}, 0, 100)
50 with absolute error < 5.6e-13
> integrate(function(x){exp(2*x-50)/(1+exp(2*x-50))}, 0, 100)
75 with absolute error < 8.3e-13
Is comparison of 75 with 50 useful? What is its interpretation?
*** Another way is to perform ROC post estimation. I do not mean it!
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I am using count regression models for analysis of count data. finally I selected hurdle Poisson regression model by using model selection criteria. by default, the hurdle model result has two parts: count part and zero inflated(logistic part). So, which part can I use in interpreting the result? and what is the difference between the two?
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OK I am attaching a paper of ours. Please read the first two or so sections and tell me:
1. Are you building an explanatory model or a predictive model? and 2. How did you decide on the model you are asking about? After you do the that I think we will be able to help you. Best wishes, David Booth
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